package com.atguigu.gulimall.coupon.service.impl;

import com.atguigu.common.to.MemberPrice;
import com.atguigu.common.to.SkuReductionTo;
import com.atguigu.gulimall.coupon.entity.MemberPriceEntity;
import com.atguigu.gulimall.coupon.entity.SkuLadderEntity;
import com.atguigu.gulimall.coupon.service.MemberPriceService;
import com.atguigu.gulimall.coupon.service.SkuLadderService;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.atguigu.common.utils.PageUtils;
import com.atguigu.common.utils.Query;

import com.atguigu.gulimall.coupon.dao.SkuFullReductionDao;
import com.atguigu.gulimall.coupon.entity.SkuFullReductionEntity;
import com.atguigu.gulimall.coupon.service.SkuFullReductionService;


@Service("skuFullReductionService")
public class SkuFullReductionServiceImpl extends ServiceImpl<SkuFullReductionDao, SkuFullReductionEntity> implements SkuFullReductionService {

    @Autowired
    MemberPriceService memberPriceService;

    @Autowired
    SkuLadderService skuLadderService;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SkuFullReductionEntity> page = this.page(
                new Query<SkuFullReductionEntity>().getPage(params),
                new QueryWrapper<SkuFullReductionEntity>()
        );

        return new PageUtils(page);
    }

    //保存sku的打折、满减信息,
    @Override
    public void saveSkuReduction(SkuReductionTo skuReductionTo) {
        // 数据库 gulimall_sms,
        // (1)打折表`sms_sku_ladder`,
        SkuLadderEntity skuLadderEntity = new SkuLadderEntity();
        BeanUtils.copyProperties(skuReductionTo,skuLadderEntity);
        skuLadderEntity.setAddOther(skuReductionTo.getCountStatus());
        //TODO: set 折后价price
        if (skuLadderEntity.getFullCount() > 0){
            skuLadderService.save(skuLadderEntity);
        }

        // (2)满减表`sms_sku_full_reduction`,
        SkuFullReductionEntity skuFullReduction = new SkuFullReductionEntity();
        BeanUtils.copyProperties(skuReductionTo,skuFullReduction);
        skuFullReduction.setAddOther(skuReductionTo.getPriceStatus());
        if (skuFullReduction.getFullPrice().compareTo(new BigDecimal("0")) == 1){
            this.save(skuFullReduction);
        }

        // (3)会员级别价格表`sms_member_price`
        List<MemberPrice> memberPriceList = skuReductionTo.getMemberPrice();
        if (memberPriceList != null && memberPriceList.size() > 0){
            List<MemberPriceEntity> collect = memberPriceList.stream().map(memberPrice -> {
                MemberPriceEntity memberPriceEntity = new MemberPriceEntity();
                memberPriceEntity.setSkuId(skuReductionTo.getSkuId());
                memberPriceEntity.setMemberLevelId(memberPrice.getId());
                memberPriceEntity.setMemberLevelName(memberPrice.getName());
                memberPriceEntity.setMemberPrice(memberPrice.getPrice());
                //是否可叠加其他优惠
                memberPriceEntity.setAddOther(1);
                return memberPriceEntity;
            }).filter(memberPriceEntity -> {
                return memberPriceEntity.getMemberPrice().compareTo(new BigDecimal("0")) == 1;
            }).collect(Collectors.toList());
            memberPriceService.saveBatch(collect);
        }

    }

}